Unit 1
The study of the solid Earth is called:
Geology
Color & hardness are examples of an element’s:
Physical properties
A natural inorganic crystalline solid with a characteristic chemical composition is called:
A mineral
New ocean floor is constantly being produced through the process known as
Seafloor spreading
The process whereby the remains of an organisms are preserved by drying is:
Mummification
The Earth scientist most likely to study storms is:
Meteorologist
A substance that cannot be broken down into a simpler form by ordinary chemical means is:
An element
The concept that the present is the key to the past is part of the:
Principle of uniformitarianism
The layer of mantle with plastic rock that underlies the plates is called the
Asthenosphere
The geologic time scale is a:
Rock record of the Earth’s past
The study of the complex relationships between living things & their environment is called:
Ecology
The smallest unit of an element is:
An atom
A sedimentary rock layer is older than the layers above it & younger than the layers below it, according to the:
Law of superposition
The region along lithospheric plate boundaries where 1 plate is moved beneath another is called
Subduction zone
The German scientist Alfred Wegener proposed the existence of a huge landmass called
Pangaea
An example of a nonbiodegradable waste product is:
a. An apple core
b. plastic milk jug
c. A pile of rotting leaves
d. An eggshell
b. plastic milk jug
Particles in atoms that do not carry an electrical charge are called:
Neutrons
An unconformity that results when new sediments are deposited on eroded horizontal layers is:
A disconformity
The term tectonics comes from a Greek word meaning
Construction
The possible source of the Earth’s magnetism is the Earth’s:
Core
Usually, the 1st step in scientific problem solving is to:
State the problem
An atom does not easily lose or gain electrons if it has:
A filled outer energy level
The age of a rock in years is known as:
Absolute age
To date, scientists have identified approximately
30 plates
The parts of the continents that are made up of formerly separate pieces of lithosphere are called
Terranes